Excavation Contractor

Excavation in Black Diamond, WA

Name: Phenix Concrete Construction LLC
Address: Black Diamond, WA, US
Telephone: (425) 365-3645
Price range: $$
Rating: 5.0

Phenix Concrete Construction LLC provides professional excavation services for residential and commercial properties in Maple Valley, Washington.

Call (425) 365-3645

Proper excavation depth and compaction reduces the risk of foundation settlement on Maple Valley's glacial till soils
Accurate grading directs water away from structures, lowering the chance of water intrusion or erosion on sloped lots
Clean site prep creates a stable base for concrete pads, driveways, and building foundations
Experienced equipment operators minimize disturbance to surrounding landscaping and existing structures
Correct trenching depth and backfill protects buried utilities from shifting soil over time

A tracked excavator digging a foundation trench on a residential lot in Maple Valley, Washington, with exposed soil walls and a cleared work area visible. The surrounding site shows a mix of compacted earth and native vegetation typical of the Maple Valley area.

Expert Excavation in Black Diamond, WA

Phenix Concrete Construction LLC handles excavation projects across Maple Valley, Washington, from foundation digs and site prep to grading, trenching, and land clearing. Whether you are building a new structure, adding a concrete pad, or correcting drainage problems on your property, we move and manage earth with precision. Maple Valley sits on a mix of glacial till and clay-rich soils that can shift under structures if not properly excavated and compacted. We account for those ground conditions on every job. Our equipment handles tight residential lots as well as larger commercial sites. We assess the site, remove material cleanly, and leave a stable, ready surface for the next phase of your project. Homeowners and contractors in Maple Valley count on us when the ground has to be right before anything else gets built. Call us to talk through your excavation scope and get a clear picture of what your site needs.

What's included

Proper excavation depth and compaction reduces the risk of foundation settlement on Maple Valley's glacial till soils
Accurate grading directs water away from structures, lowering the chance of water intrusion or erosion on sloped lots
Clean site prep creates a stable base for concrete pads, driveways, and building foundations
Experienced equipment operators minimize disturbance to surrounding landscaping and existing structures
Correct trenching depth and backfill protects buried utilities from shifting soil over time

Locally Owned and Operated

10+ Years Industry Experience

Quality-First Approach

Serves 14 Greater Seattle Communities

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FAQ

Excavation FAQ

Common questions about excavation in Black Diamond, WA.

What types of excavation projects does Phenix Concrete Construction handle in Maple Valley?

We handle foundation excavation, site prep, grading, trenching, and land clearing for residential and commercial properties in Maple Valley. If your project requires moving or shaping earth before construction, we can help.

Does the soil type in Maple Valley affect how excavation is done?

Yes, Maple Valley has a mix of glacial till and clay-rich soil that requires careful excavation and compaction to avoid settling. We account for local ground conditions on every project we take on.

Can you excavate on a residential lot with limited access in Maple Valley?

Yes, we work on residential lots throughout Maple Valley, including sites with tight access or sloped terrain. We select the right equipment size for the space to protect your property.

Do I need excavation work before pouring a concrete foundation or pad in Maple Valley?

Yes, proper excavation is required before any concrete foundation or pad is poured in Maple Valley. Skipping this step or doing it incorrectly can lead to cracking and settling after the pour.

How do I know how deep the excavation needs to be for my Maple Valley project?

The required depth depends on your project type, load requirements, and the soil conditions on your specific Maple Valley site. We assess the site before work begins to determine the correct scope.

Does Phenix Concrete Construction handle both excavation and concrete work in Maple Valley?

Yes, we offer both excavation and concrete construction services in Maple Valley, which means the site prep and the concrete work stay coordinated under one contractor. This reduces miscommunication between trades on your project.

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Client Reviews

What King County homeowners say.

5.0

18 Google reviews

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Tristan and his team did an amazing job with demolishing my old walk way and pouring me a new one. The price and service were unmatched. I highly recommend Phenix Concrete!

After receiving several quotes from other contractors, we went with Phenix Concrete because they gave us the best deal. They were easy to work with and gave us exactly what we wanted. Highly recommend them for your concrete needs.

Amazing service. Was on time, did an amazing job, fairly priced and offers warranty on work! 10/10 recommend

I recently hired Phenix Concrete Construction for a major driveway and patio project, and I couldn’t be happier with the results! From the very first quote to the final cleanup, everything was handled professionally and efficiently. The team’s attention to detail is outstanding — the concrete finish is perfectly smooth, level, and looks incredible. Tristan was fantastic to work with. He was responsive, knowledgeable, and genuinely cared about getting every detail right. He walked me through the options, made excellent recommendations based on my needs, and kept me updated throughout the entire process. His expertise and friendly attitude made the whole experience stress-free. If you’re looking for high-quality concrete work done by a reliable crew, Phenix Concrete Construction is the real deal. I highly recommend them — and ask for Tristan! You won’t be disappointed. Thank you Phenix and Tristan for an excellent job!

They do amazing work. Will stand behind their work!! Highly recommended! You wont be disappointed!

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Proudly Based in Black Diamond, WA

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Phone

(425) 365-3645

Hours

Monday 7:00 AM - 5:00 PM
Tuesday 7:00 AM - 5:00 PM
Wednesday 7:00 AM - 5:00 PM
Thursday 7:00 AM - 5:00 PM
Friday 7:00 AM - 5:00 PM
Saturday 7:00 AM - 5:00 PM
Sunday Closed